一个长方形的长减少10㎝,同时宽增加4㎝,就成为一个正方形,并且

一个长方形的长减少10㎝,同时宽增加4㎝,就成为一个正方形,并且这两个图形的面积相等,求员长方形的长、宽各是多少。

答案

、宽解析:

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